Ultimate Image Optimizer is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
Compress images locally in your browser with extreme privacy.
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Ultimate Image Optimizer (original) | — | — | Free | Compress images locally in your browser with extreme privacy. |
| AdBlock | 4.5 | 61M+ | Freemium | Beginners who want ad blocking without settings |
| Malwarebytes Browser Guard | 3.9 | 11M+ | Free | Block malware, scams, phishing and trackers for safer, cleaner, and ad-free browsing. |
| uBlock Origin | 4.7 | 11M+ | Free | Anyone who wants the most efficient, most configurable ad and tracker blocker available. |
| Bitwarden | 4.3 | 7M+ | Freemium | Anyone replacing reused passwords with a proper encrypted vault on a small budget. |
| Avast Online Security & Privacy | 4.4 | 5M+ | Free | Avast browser security and web reputation plugin. |
| Ghostery | 4.7 | 2M+ | Freemium | People who want an ad blocker with visible tracker reporting |
| AdBlocker Ultimate | 4.8 | 2M+ | Free | The ultimate adblock tool. Block ads on YouTube, Facebook, and all other websites for free! |
| Privacy Badger | 4.5 | 1M+ | Free | Users who want automatic tracker protection alongside their existing ad blocker. |
| UltraSurf Security, Privacy & Freedom VPN | — | — | Free | Secure your connection with one click. Encrypt traffic, protect your privacy, and access the open internet on restricted networks. |
| Privacy Test | — | — | Free | Checks whether you have enhanced private data protection and prevents tracking of your on-line activity. |
One of the most installed ad blockers for Chrome, with simple whitelisting.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: One of the most installed ad blockers for Chrome, with simple whitelisting.
Block malware, scams, phishing and trackers for safer, cleaner, and ad-free browsing.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Block malware, scams, phishing and trackers for safer, cleaner, and ad-free browsing.
Efficient, open-source content and ad blocker.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Efficient, open-source content and ad blocker.
Open-source password manager with autofill.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Open-source password manager with autofill.
Avast browser security and web reputation plugin.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Avast browser security and web reputation plugin.
Privacy-first ad blocker that also blocks trackers and cookie pop-ups.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Privacy-first ad blocker that also blocks trackers and cookie pop-ups.
The ultimate adblock tool. Block ads on YouTube, Facebook, and all other websites for free!
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: The ultimate adblock tool. Block ads on YouTube, Facebook, and all other websites for free!
Learns and blocks invisible trackers automatically.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Learns and blocks invisible trackers automatically.
Secure your connection with one click. Encrypt traffic, protect your privacy, and access the open internet on restricted networks.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Secure your connection with one click. Encrypt traffic, protect your privacy, and access the open internet on restricted networks.
Checks whether you have enhanced private data protection and prevents tracking of your on-line activity.
Why it replaces Ultimate Image Optimizer: Covers similar ground in the Privacy & Security category: Checks whether you have enhanced private data protection and prevents tracking of your on-line activity.
Direct comparisons with the extensions people weigh against it.
AdBlock is the closest match. Covers similar ground in the Privacy & Security category: One of the most installed ad blockers for Chrome, with simple whitelisting.
Yes — Malwarebytes Browser Guard, uBlock Origin, Avast Online Security & Privacy are free.
